Message ID | 1317565939-14900-4-git-send-email-avi@redhat.com |
---|---|
State | New |
Headers | show |
diff --git a/memory.c b/memory.c index eae67be..19f1d36 100644 --- a/memory.c +++ b/memory.c @@ -1360,7 +1360,10 @@ void mtree_info(fprintf_function mon_printf, void *f) g_free(ml2); } - QTAILQ_INIT(&ml_head); - mon_printf(f, "I/O\n"); - mtree_print_mr(mon_printf, f, address_space_io.root, 0, 0, &ml_head); + if (address_space_io.root && + !QTAILQ_EMPTY(&address_space_io.root->subregions)) { + QTAILQ_INIT(&ml_head); + mon_printf(f, "I/O\n"); + mtree_print_mr(mon_printf, f, address_space_io.root, 0, 0, &ml_head); + } }